må den 29.08.2005 Klokka 13:37 (+1000) skreiv Nick Piggin: > James Bottomley wrote: > > On Sun, 2005-08-28 at 18:35 -0700, Andrew Morton wrote: > > >>It does make the tree higher and hence will incur some more cache missing > >>when descending the tree. > > > > > > Actually, I don't think it does: the common user is the page tree. > > Obviously, I've changed nothing on 64 bits, so we only need to consider > > what I've done on 32 bits. A page size is almost universally 4k on 32 > > bit, so we need 20 bits to store the page tree index. Regardless of > > whether the index size is 5 or 6, that gives a radix tree depth of 4. > > > > s/common/only ?
grep again... I use it in the NFS client for bookkeeping requests. Cheers, Trond - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
